As try67​ mentioned, Forms Central doesn't support Arabic.You may design your form in MS. Word or Excel then convert to PDF using Adobe PDF Maker, but I strongly recommend that you design your form in Adobe InDesign ME as it will retain all your Arabic options within the form, I personally have done...

Dear Colin, delighted to read your response here.I just read the post you mentioned on teaching DPS 2015, I'm placing the URL for others… https://forums.adobe.com/thread/2000480?q=teachLuckily, I have access to full DPS2015 license, as well as my learners since I conduct the courses for clients whom...